David Raya has said competition for starting spots is driving Arsenal’s blistering form and the goalkeeper believes the “incredible” depth of Mikel Arteta’s squad means they are capable of challenging on multiple fronts.

The 4-0 thrashing of Atlético Madrid on Tuesday was Arsenal’s sixth successive victory and their 10th win from their first 12 matches. Arsenal have conceded only three goals – the fewest at this stage in the club’s history – to help establish a one-point lead at the top of the Premier League and a perfect record in the Champions League after three matches.

Raya has started in every game apart from the Carabao Cup win over Port Vale last month but Arteta has been regularly rotating after spending more than £250m on recruits in the summer. Raya, asked whether that meant they could challenge for more than one trophy this season, said: “Yes, I think so. I think the depth of the squad is incredible. We have a lot of players and we have a lot of players that can play in two, three, four different positions.

“Like [against Atlético], [Mikel] Merino came on as a striker and he can play as a No 8, he...